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authorBrian Paul <brian.paul@tungstengraphics.com>2008-09-17 13:14:57 -0600
committerBrian Paul <brian.paul@tungstengraphics.com>2008-09-17 13:14:57 -0600
commite6a120fefea44078b3a8d4292d83671e6c41357f (patch)
treef3cc3cbb154e7f523bb8ed0564962dc785a3a98f
parent133693ebe8904de785610efd38219bca67b75222 (diff)
gallium: fix tgsi sanity checker with respect to END.
Subroutine code may be found after the END instruction so it's not always the last instruction. At least check for presence of exactly one END instruction though.
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_sanity.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sanity.c b/src/gallium/auxiliary/tgsi/tgsi_sanity.c
index 20b32477be3..11659247c0c 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sanity.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sanity.c
@@ -180,12 +180,10 @@ iter_instruction(
const struct tgsi_opcode_info *info;
uint i;
- /* There must be no other instructions after END.
- */
- if (ctx->index_of_END != ~0) {
- report_error( ctx, "Unexpected instruction after END" );
- }
- else if (inst->Instruction.Opcode == TGSI_OPCODE_END) {
+ if (inst->Instruction.Opcode == TGSI_OPCODE_END) {
+ if (ctx->index_of_END != ~0) {
+ report_error( ctx, "Too many END instructions" );
+ }
ctx->index_of_END = ctx->num_instructions;
}
@@ -307,10 +305,10 @@ epilog(
struct sanity_check_ctx *ctx = (struct sanity_check_ctx *) iter;
uint file;
- /* There must be an END instruction at the end.
+ /* There must be an END instruction somewhere.
*/
- if (ctx->index_of_END == ~0 || ctx->index_of_END != ctx->num_instructions - 1) {
- report_error( ctx, "Expected END at end of instruction sequence" );
+ if (ctx->index_of_END == ~0) {
+ report_error( ctx, "Missing END instruction" );
}
/* Check if all declared registers were used.